



from pathlib import Path
import json
import tempfile

from transformers import FSMTTokenizer, FSMTConfig, FSMTForConditionalGeneration
from transformers.models.fsmt.tokenization_fsmt import VOCAB_FILES_NAMES

_snake_case						=    "tiny-wmt19-en-ru"

# Build

# borrowed from a test
_snake_case						=    [
    "l",
    "o",
    "w",
    "e",
    "r",
    "s",
    "t",
    "i",
    "d",
    "n",
    "w</w>",
    "r</w>",
    "t</w>",
    "lo",
    "low",
    "er</w>",
    "low</w>",
    "lowest</w>",
    "newer</w>",
    "wider</w>",
    "<unk>",
]
_snake_case						=    dict(zip(vocab, range(len(vocab))))
_snake_case						=    ["l o 123", "lo w 1456", "e r</w> 1789", ""]

with tempfile.TemporaryDirectory() as tmpdirname:
						_snake_case						=    Path(tmpdirname)
						_snake_case						=    build_dir / VOCAB_FILES_NAMES["src_vocab_file"]
						_snake_case						=    build_dir / VOCAB_FILES_NAMES["tgt_vocab_file"]
						_snake_case						=    build_dir / VOCAB_FILES_NAMES["merges_file"]
						with open(src_vocab_file, "w") as fp:
												fp.write(json.dumps(vocab_tokens))
						with open(tgt_vocab_file, "w") as fp:
												fp.write(json.dumps(vocab_tokens))
						with open(merges_file, "w") as fp:
												fp.write("\n".join(merges))

						_snake_case						=    FSMTTokenizer(
						    langs=["en", "ru"],
						    src_vocab_size=len(vocab),
						    tgt_vocab_size=len(vocab),
						    src_vocab_file=src_vocab_file,
						    tgt_vocab_file=tgt_vocab_file,
						    merges_file=merges_file,
						)

_snake_case						=    FSMTConfig(
    langs=["ru", "en"],
    src_vocab_size=1000,
    tgt_vocab_size=1000,
    d_model=4,
    encoder_layers=1,
    decoder_layers=1,
    encoder_ffn_dim=4,
    decoder_ffn_dim=4,
    encoder_attention_heads=1,
    decoder_attention_heads=1,
)

_snake_case						=    FSMTForConditionalGeneration(config)
print(f'''num of params {tiny_model.num_parameters()}''')

# Test
_snake_case						=    tokenizer(["Making tiny model"], return_tensors="pt")
_snake_case						=    tiny_model(**batch)

print("test output:", len(outputs.logits[0]))

# Save
tiny_model.half()  # makes it smaller
tiny_model.save_pretrained(mname_tiny)
tokenizer.save_pretrained(mname_tiny)

print(f'''Generated {mname_tiny}''')

# Upload
# transformers-cli upload tiny-wmt19-en-ru







'''simple docstring'''






import itertools
import random
import unittest

import numpy as np

from transformers import WAV_2_VEC_2_PRETRAINED_MODEL_ARCHIVE_LIST, WavaVecaConfig, WavaVecaFeatureExtractor
from transformers.testing_utils import require_torch, slow

from ...test_sequence_feature_extraction_common import SequenceFeatureExtractionTestMixin


lowerCAmelCase									=   random.Random()






def   __A    (				a_    :	Union[str, Any]   ,a_    :	Tuple=1.0   ,a_    :	Optional[int]=None   ,a_    :	Union[str, Any]=None						):
		if rng is None:
				lowerCAmelCase  :     str       						= global_rng

		lowerCAmelCase  :     Any       						= []
		for batch_idx in range(shape[0]						):
				values.append([]						)
				for _ in range(shape[1]						):
						values[-1].append(rng.random() * scale						)

		return values
class 		lowerCamelCase	(   unittest.TestCase							):



	def __init__( self		,   a_		,   a_=7		,   a_=400		,   a_=2_000		,   a_=1		,   a_=0.0		,   a_=16_000		,   a_=True		,   a_=True		,   ):
			lowerCAmelCase  :     Dict       						= parent
			lowerCAmelCase  :     Optional[int]       						= batch_size
			lowerCAmelCase  :     Dict       						= min_seq_length
			lowerCAmelCase  :     Dict       						= max_seq_length
			lowerCAmelCase  :     Optional[Any]       						= (self.max_seq_length - self.min_seq_length) // (self.batch_size - 1)
			lowerCAmelCase  :     Union[str, Any]       						= feature_size
			lowerCAmelCase  :     Tuple       						= padding_value
			lowerCAmelCase  :     Dict       						= sampling_rate
			lowerCAmelCase  :     int       						= return_attention_mask
			lowerCAmelCase  :     Optional[Any]       						= do_normalize



	def 	_lowerCamelCase     ( self						):
			return {
			    "feature_size": self.feature_size,
			    "padding_value": self.padding_value,
			    "sampling_rate": self.sampling_rate,
			    "return_attention_mask": self.return_attention_mask,
			    "do_normalize": self.do_normalize,
			}





	def 	_lowerCamelCase     ( self		,   a_=False		,   a_=False						):
			def _flatten(a_						):
					return list(itertools.chain(*a_						)						)

			if equal_length:
					lowerCAmelCase  :     List[Any]       						= floats_list((self.batch_size, self.max_seq_length)						)
			else:
					# make sure that inputs increase in size
					lowerCAmelCase  :     Any       						= [
					    _flatten(floats_list((x, self.feature_size)						)						)
					    for x in range(self.min_seq_length		,   self.max_seq_length		,   self.seq_length_diff						)
					]

			if numpify:
					lowerCAmelCase  :     List[str]       						= [np.asarray(a_						) for x in speech_inputs]

			return speech_inputs






class 		lowerCamelCase	(   _A   , unittest.TestCase							):
	snake_case_   = WavaVecaFeatureExtractor



	def 	_lowerCamelCase     ( self						):
			lowerCAmelCase  :     Tuple       						= WavaVecaFeatureExtractionTester(self						)



	def 	_lowerCamelCase     ( self		,   a_						):
			self.assertTrue(np.all(np.mean(a_		,   axis=0						) < 1e-3						)						)
			self.assertTrue(np.all(np.abs(np.var(a_		,   axis=0						) - 1						) < 1e-3						)						)



	def 	_lowerCamelCase     ( self						):
			# Tests that all call wrap to encode_plus and batch_encode_plus
			lowerCAmelCase  :     int       						= self.feature_extraction_class(**self.feat_extract_tester.prepare_feat_extract_dict()						)
			# create three inputs of length 800, 1000, and 1200
			lowerCAmelCase  :     str       						= [floats_list((1, x)						)[0] for x in range(800		,   1_400		,   200						)]
			lowerCAmelCase  :     Dict       						= [np.asarray(a_						) for speech_input in speech_inputs]

			# Test not batched input
			lowerCAmelCase  :     Optional[int]       						= feat_extract(speech_inputs[0]		,   return_tensors="np"						).input_values
			lowerCAmelCase  :     Any       						= feat_extract(np_speech_inputs[0]		,   return_tensors="np"						).input_values
			self.assertTrue(np.allclose(a_		,   a_		,   atol=1e-3						)						)

			# Test batched
			lowerCAmelCase  :     Any       						= feat_extract(a_		,   return_tensors="np"						).input_values
			lowerCAmelCase  :     int       						= feat_extract(a_		,   return_tensors="np"						).input_values
			for enc_seq_a, enc_seq_a in zip(a_		,   a_						):
					self.assertTrue(np.allclose(a_		,   a_		,   atol=1e-3						)						)

			# Test 2-D numpy arrays are batched.
			lowerCAmelCase  :     Dict       						= [floats_list((1, x)						)[0] for x in (800, 800, 800)]
			lowerCAmelCase  :     Tuple       						= np.asarray(a_						)
			lowerCAmelCase  :     int       						= feat_extract(a_		,   return_tensors="np"						).input_values
			lowerCAmelCase  :     Union[str, Any]       						= feat_extract(a_		,   return_tensors="np"						).input_values
			for enc_seq_a, enc_seq_a in zip(a_		,   a_						):
					self.assertTrue(np.allclose(a_		,   a_		,   atol=1e-3						)						)



	def 	_lowerCamelCase     ( self						):
			lowerCAmelCase  :     int       						= self.feature_extraction_class(**self.feat_extract_tester.prepare_feat_extract_dict()						)
			lowerCAmelCase  :     Any       						= [floats_list((1, x)						)[0] for x in range(800		,   1_400		,   200						)]

			lowerCAmelCase  :     Union[str, Any]       						= ["longest", "max_length", "do_not_pad"]
			lowerCAmelCase  :     Optional[int]       						= [None, 1_600, None]
			for max_length, padding in zip(a_		,   a_						):
					lowerCAmelCase  :     List[Any]       						= feat_extract(a_		,   padding=a_		,   max_length=a_		,   return_tensors="np"						)
					lowerCAmelCase  :     Any       						= processed.input_values

					self._check_zero_mean_unit_variance(input_values[0][:800]						)
					self.assertTrue(input_values[0][800:].sum() < 1e-6						)
					self._check_zero_mean_unit_variance(input_values[1][:1_000]						)
					self.assertTrue(input_values[0][1_000:].sum() < 1e-6						)
					self._check_zero_mean_unit_variance(input_values[2][:1_200]						)



	def 	_lowerCamelCase     ( self						):
			lowerCAmelCase  :     List[Any]       						= self.feature_extraction_class(**self.feat_extract_tester.prepare_feat_extract_dict()						)
			lowerCAmelCase  :     Optional[int]       						= range(800		,   1_400		,   200						)
			lowerCAmelCase  :     Tuple       						= [floats_list((1, x)						)[0] for x in lengths]

			lowerCAmelCase  :     str       						= ["longest", "max_length", "do_not_pad"]
			lowerCAmelCase  :     Any       						= [None, 1_600, None]

			for max_length, padding in zip(a_		,   a_						):
					lowerCAmelCase  :     Dict       						= feat_extract(a_		,   max_length=a_		,   padding=a_						)
					lowerCAmelCase  :     int       						= processed.input_values

					self._check_zero_mean_unit_variance(input_values[0][:800]						)
					self._check_zero_mean_unit_variance(input_values[1][:1_000]						)
					self._check_zero_mean_unit_variance(input_values[2][:1_200]						)



	def 	_lowerCamelCase     ( self						):
			lowerCAmelCase  :     List[Any]       						= self.feature_extraction_class(**self.feat_extract_tester.prepare_feat_extract_dict()						)
			lowerCAmelCase  :     Tuple       						= [floats_list((1, x)						)[0] for x in range(800		,   1_400		,   200						)]
			lowerCAmelCase  :     Dict       						= feat_extract(
			    a_		,   truncation=a_		,   max_length=1_000		,   padding="max_length"		,   return_tensors="np"						)
			lowerCAmelCase  :     Union[str, Any]       						= processed.input_values

			self._check_zero_mean_unit_variance(input_values[0, :800]						)
			self._check_zero_mean_unit_variance(input_values[1]						)
			self._check_zero_mean_unit_variance(input_values[2]						)



	def 	_lowerCamelCase     ( self						):
			lowerCAmelCase  :     Optional[int]       						= self.feature_extraction_class(**self.feat_extract_tester.prepare_feat_extract_dict()						)
			lowerCAmelCase  :     Tuple       						= [floats_list((1, x)						)[0] for x in range(800		,   1_400		,   200						)]
			lowerCAmelCase  :     Union[str, Any]       						= feat_extract(
			    a_		,   truncation=a_		,   max_length=1_000		,   padding="longest"		,   return_tensors="np"						)
			lowerCAmelCase  :     Dict       						= processed.input_values

			self._check_zero_mean_unit_variance(input_values[0, :800]						)
			self._check_zero_mean_unit_variance(input_values[1, :1_000]						)
			self._check_zero_mean_unit_variance(input_values[2]						)

			# make sure that if max_length < longest -> then pad to max_length
			self.assertTrue(input_values.shape == (3, 1_000)						)

			lowerCAmelCase  :     List[str]       						= [floats_list((1, x)						)[0] for x in range(800		,   1_400		,   200						)]
			lowerCAmelCase  :     Union[str, Any]       						= feat_extract(
			    a_		,   truncation=a_		,   max_length=2_000		,   padding="longest"		,   return_tensors="np"						)
			lowerCAmelCase  :     Optional[Any]       						= processed.input_values

			self._check_zero_mean_unit_variance(input_values[0, :800]						)
			self._check_zero_mean_unit_variance(input_values[1, :1_000]						)
			self._check_zero_mean_unit_variance(input_values[2]						)

			# make sure that if max_length > longest -> then pad to longest
			self.assertTrue(input_values.shape == (3, 1_200)						)



	@require_torch
	def 	_lowerCamelCase     ( self						):
			import torch

			lowerCAmelCase  :     Optional[int]       						= self.feature_extraction_class(**self.feat_extract_tester.prepare_feat_extract_dict()						)
			lowerCAmelCase  :     List[Any]       						= np.random.rand(100						).astype(np.floataa						)
			lowerCAmelCase  :     List[Any]       						= np_speech_inputs.tolist()

			for inputs in [py_speech_inputs, np_speech_inputs]:
					lowerCAmelCase  :     Union[str, Any]       						= feature_extractor.pad([{"input_values": inputs}]		,   return_tensors="np"						)
					self.assertTrue(np_processed.input_values.dtype == np.floataa						)
					lowerCAmelCase  :     Tuple       						= feature_extractor.pad([{"input_values": inputs}]		,   return_tensors="pt"						)
					self.assertTrue(pt_processed.input_values.dtype == torch.floataa						)





	@slow
	@require_torch
	def 	_lowerCamelCase     ( self						):
			# this test makes sure that models that are using
			# group norm don't have their feature extractor return the
			# attention_mask
			for model_id in WAV_2_VEC_2_PRETRAINED_MODEL_ARCHIVE_LIST:
					lowerCAmelCase  :     Any       						= WavaVecaConfig.from_pretrained(a_						)
					lowerCAmelCase  :     List[str]       						= WavaVecaFeatureExtractor.from_pretrained(a_						)

					# only "layer" feature extraction norm should make use of
					# attention_mask
					self.assertEqual(feat_extract.return_attention_mask		,   config.feat_extract_norm == "layer"						)



